Use the graph to evaluate the limit.
f(x)
A. - 
B. ?
C. 
D. -1
Answer: C
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Solve the equation.-4(x + 5) = -4
A. x = 6 B. x = -4 C. x = 16 D. x = 4
An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum value of the objective function and the values of x and y for which the maximum occurs.Objective Function z = 3x + 5yConstraints x ? 0 y ? 0 2x + y ? 15 x - 3y ? -3
A. maximum 75; at (0, 15) B. maximum 22.5; at (7.5, 0) C. maximum 38; at (6, 4) D. maximum 33; at (6, 3)
Multiply. Simplify if possible.
? 
A. 
B. 
C. 
D. 
Solve the problem.Write an expression in simplest form that represents the perimeter of the rectangle. Then use the expression to find the perimeter of the rectangle if x is 37.
A. x2 - 13x; 888 B. 4x + 26; 174 C. 2x2 - 26x; 1776 D. 4x - 26; 122